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Curr Opin Cell Biol. 2006 Oct;18(5):516-23. Epub 2006 Aug 17.

Integrin-regulated FAK-Src signaling in normal and cancer cells.

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  • 1The Scripps Research Institute, Department of Immunology, IMM21 10550 N. Torrey Pines Rd, La Jolla, CA 92037, USA.

Abstract

Integrins can alter cellular behavior through the recruitment and activation of signaling proteins such as non-receptor tyrosine kinases including focal adhesion kinase (FAK) and c-Src that form a dual kinase complex. The FAK-Src complex binds to and can phosphorylate various adaptor proteins such as p130Cas and paxillin. In normal cells, multiple integrin-regulated linkages exist to activate FAK or Src. Activated FAK-Src functions to promote cell motility, cell cycle progression and cell survival. Recent studies have found that the FAK-Src complex is activated in many tumor cells and generates signals leading to tumor growth and metastasis. As both FAK and Src catalytic activities are important in promoting VEGF-associated tumor angiogenesis and protease-associated tumor metastasis, support is growing that FAK and Src may be therapeutically relevant targets in the inhibition of tumor progression.

PMID:
16919435
[PubMed - indexed for MEDLINE]
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